Given a string, determine whether any permutation of it is a palindrome. For example, carrace should return true, since it can be rearranged to form racecar, which is a palindrome. daily should return false, since there’s no rearrangement that can form a palindrome. Also, see: Mi10 5G …

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In linear algebra, a Toeplitz matrix is one in which the elements on any given diagonal from top left to bottom right are identical. Write a function to determine whether a given input is a Toeplitz matrix. Here is an …

Problem: Write an algorithm that finds the total number of set bits in all integers between 1 and N. (I prefer Ruby, you can choose your preferred language.) Set Bits Solution: (Ruby) Set Bits is a bit with ‘1’ in a binary representation …